// ++++++++++++++++++++++++++++++++++++++++
// 《零基础Go语言算法实战》源码
// ++++++++++++++++++++++++++++++++++++++++
// Author:廖显东（ShirDon）
// Blog:https://www.shirdon.com/
// Gitee:https://gitee.com/shirdonl/goAlgorithms.git
// Buy link :https://item.jd.com/14101229.html
// ++++++++++++++++++++++++++++++++++++++++

package main

import "fmt"

func main() {
	var param interface{}
	switch ty := param.(type) {
	default:
		fmt.Printf("Unkonwn type %T", ty)
	case float32:
		fmt.Println("float32")
	case string:
		fmt.Println("string")
	}
}
